2021
Abl2:Cortactin Interactions Regulate Dendritic Spine Stability via Control of a Stable Filamentous Actin Pool
Shaw JE, Kilander MBC, Lin YC, Koleske AJ. Abl2:Cortactin Interactions Regulate Dendritic Spine Stability via Control of a Stable Filamentous Actin Pool. Journal Of Neuroscience 2021, 41: 3068-3081. PMID: 33622779, PMCID: PMC8026353, DOI: 10.1523/jneurosci.2472-20.2021.Peer-Reviewed Original ResearchConceptsDendritic spine stabilityDendritic spinesSpine stabilityTonic increaseSubset of spinesSexes of miceMost excitatory synapsesCortactin interactionsGluN2B levelsSpine densitySpine lossArg nonreceptor tyrosine kinaseKinetically distinct poolsExcitatory synapsesHippocampal neuronsSynaptic activitySpine enlargementSpineSpine sizeSpine actinActivity-dependent spine enlargementSpine shapeStructural plasticityDistinct poolsTyrosine kinase
2014
Ablation of ErbB4 from excitatory neurons leads to reduced dendritic spine density in mouse prefrontal cortex
Cooper MA, Koleske AJ. Ablation of ErbB4 from excitatory neurons leads to reduced dendritic spine density in mouse prefrontal cortex. The Journal Of Comparative Neurology 2014, 522: 3351-3362. PMID: 24752666, PMCID: PMC4107058, DOI: 10.1002/cne.23615.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsCalcium-Calmodulin-Dependent Protein Kinase Type 2Cell FractionationCells, CulturedDendritic SpinesDisks Large Homolog 4 ProteinGene Expression RegulationGreen Fluorescent ProteinsGuanylate KinasesMembrane ProteinsMiceMice, TransgenicMitogen-Activated Protein Kinase 3NestinNeuronsPrefrontal CortexReceptor, ErbB-4SynapsesTransfectionConceptsDendritic spine densitySpine densityExcitatory pyramidal cellsExcitatory neuronsPrefrontal cortexPyramidal cellsDendritic spinesErbB4 functionAblation of ErbB4Dendritic spine lossCortical neuronal culturesMouse prefrontal cortexDendritic spine developmentMonths of ageSynaptic plasma membrane preparationsSpine lossWeanling miceDorsomedial prefrontal cortexPsychiatric disordersKnockout miceMature spinesErbB4 signalingSynaptic plasticityNeuronal culturesDisease pathology
2013
Metabotropic Glutamate Receptor 5 Is a Coreceptor for Alzheimer Aβ Oligomer Bound to Cellular Prion Protein
Um JW, Kaufman AC, Kostylev M, Heiss JK, Stagi M, Takahashi H, Kerrisk ME, Vortmeyer A, Wisniewski T, Koleske AJ, Gunther EC, Nygaard HB, Strittmatter SM. Metabotropic Glutamate Receptor 5 Is a Coreceptor for Alzheimer Aβ Oligomer Bound to Cellular Prion Protein. Neuron 2013, 79: 887-902. PMID: 24012003, PMCID: PMC3768018, DOI: 10.1016/j.neuron.2013.06.036.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsCalciumCells, CulturedElongation Factor 2 KinaseHEK293 CellsHumansMiceNeuronsOocytesPhosphorylationPost-Synaptic DensityProto-Oncogene Proteins c-fynPrPC ProteinsReceptor, Metabotropic Glutamate 5Receptors, Metabotropic GlutamateSignal TransductionXenopusConceptsDisease pathophysiologyHuman AD brain extractsCellular prion proteinMetabotropic glutamate receptor 5Postsynaptic densityDendritic spine lossAD brain extractsMetabotropic glutamate receptorsGlutamate receptor 5Alzheimer's disease pathophysiologyExtracellular AβOsMGluR5 antagonismPrion proteinSpine lossSynapse densityGlutamate receptorsIntracellular calciumMGluR5Receptor 5Neuronal functionAβOsBrain extractsAβ oligomersFyn kinasePSD proteins
2007
Inhibition of Rho via Arg and p190RhoGAP in the Postnatal Mouse Hippocampus Regulates Dendritic Spine Maturation, Synapse and Dendrite Stability, and Behavior
Sfakianos MK, Eisman A, Gourley SL, Bradley WD, Scheetz AJ, Settleman J, Taylor JR, Greer CA, Williamson A, Koleske AJ. Inhibition of Rho via Arg and p190RhoGAP in the Postnatal Mouse Hippocampus Regulates Dendritic Spine Maturation, Synapse and Dendrite Stability, and Behavior. Journal Of Neuroscience 2007, 27: 10982-10992. PMID: 17928439, PMCID: PMC6672862, DOI: 10.1523/jneurosci.0793-07.2007.Peer-Reviewed Original ResearchConceptsDendritic spine maturationDendritic regressionSpine maturationDendritic spinesNormal morphological maturationDendritic spine lossPostnatal day 21Late postnatal developmentPostnatal mouse hippocampusDendrite stabilityPyramidal dendritesSpine lossSynaptic refinementProgressive deficitsHippocampal synapsesMature neuronsArbor developmentInhibitory pathwaysMouse hippocampusDendrite arborsDay 21Postnatal developmentMorphological maturationDendritic branchesDendrite morphogenesis